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Signed Exchanges on Google Search
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Devin Mullins
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Apr 20, 2021, 4:32:17 PM
4/20/21
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Google Search now supports prefetching of
signed exchanges
of all web content. (Previously we'd rolled out support only for
AMP
content.)
For details on the spec and the available tools see
this web.dev article
, but a quick summary:
Web Packager Server
: a reverse proxy between your frontend and backend servers
supports automatic OCSP and cert (ACME) renewal
NGINX sxg module
: a dynamic module for your frontend or middleware server
supports automatic OCSP renewal
Web Packager CLI
or
gen-signedexchange
: static generator that should be run ~daily
supports automatic OCSP renewal via gen-certurl that should be run ~daily
libsxg
: C library for building custom integrations
has functions for OCSP renewal
For tools without ACME support, you can use other ACME tools or renew your cert manually.
If you build custom tools, I recommend reading the
Google SXG Cache requirements
doc.
Thanks,
Devin
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